工业设计专业英语(第三版)第十七课昆虫与设计教学内容.ppt
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1、工业设计专业英语(第三版)第十七课昆虫与设计ENGLISH FOR INDUSTRIAL DESIGNSimple,Powerful and freenThere s no denying it:Bugs rule.There are currently 200 million insects for every man,woman and child.Of the 1.5 million species identified,more than half are insects.nWe humans may not like the idea,but there is no denying
2、it:Bugs rule.Estimates have it that there are some 1018 bugs now alive on the planet.It is not only their sheer number,but also their diversity that is staggering:Of the total 1.5 million species of animals,plants and microorganisms that have been identidied,more than halfor over 800,000are insects.
3、And while new species of insects are being discovered daily,over 10 million may yet remain unknown.这是无可否认的:虫子准则。当前有2亿虫子生活在我们周围。在确定种类的一百五十万个物种中,一半以上是昆虫。我们人类可能不喜欢这个说法,但这是无可否认的:虫子准则。据评估大约有1018的虫子现在生活在这个星球上。不但是它们的数量,它们的种类也使人惊愕。在总共一百五十万种动物中,植物和微生物被视为一样,超过半数或者说超过800000种都是昆虫。每天都还会有新的昆虫种类被发现,至今超过一千万种的使我们可能不
4、知道的。“虫子准则”ENGLISH FOR INDUSTRIAL DESIGNSimple,Powerful and freenWhat makes insects the most successful inhabitants of the earth?One answer is that they are small,which has made it possible for them to colonize literally every nook and cranny.But there is another reason:Insects are built to last.They
5、 incorporate astonishingly sophisticated design features,both structurally and functionally,that render them especially well suited for survival on this planet.It is these features that have allowed them to gain the evolutionary advantage they have achieved.是什么使得昆虫称为地球上最成功的居住者?一个答案是他们小,使他们可以逐个的占领每一个
6、隐蔽处和缝隙。但是这里还有另外一个原因:昆虫的结构。他们混合的、使人惊讶的、久经世故的设计特色,包括结构上的和功能上的,使他们十分适合生活在这个星球上。正是这些特点允许他们完成增加进化的优势。“成功居住者”的原因ENGLISH FOR INDUSTRIAL DESIGNSimple,Powerful and freenThe suit of armor that insects are encased in provides them with protection from predators and keeps them from drying out,the latter being o
7、f considerable concern,given their tiny size.Without their outer casing,they would never have mastered life in the open.The insect skeleton is appropriately hinged in places to provide for mobility.Like our own,their legs have flexible joints,but so do their principal body partstheir head,thorax and
8、 abdomen.Even the wings of the insect,which can beat at frequencies of hundreds of times per second,are no more than flaplike elaborations of their skeleton.It is thanks to the combined motor capacity of their legs and wings that insects are able to achieve the feats of agility for which they are fa
9、mous.(Think of a housefly evading swats or cockroaches in your kitchen,scurrying for cover when you turn to lights.)Potentially,because of its rigidity,the insect skeleton imposes limits on growth.Insects solve the problem by molting:As they get too large for their armor,they simply shed it.昆虫的一身防护装
10、甲,保护他们不被掠食者袭击,还有保持他们身体干爽。如果没有外部的保护性外套,他们绝不可能在开阔地上征服生活。昆虫的骨骼在适当的部位有枢纽,以确保他们的机动性。像我们一样,昆虫的骨架有灵活的关节,特别是重要的头部、胸部、腹部。甚至昆虫每分钟可以拍打上百次的翅膀,更多的是得益于他们有着鳞片装细节的骨骼。他们框架狂怒翅膀的组合动力的才能,使昆虫达到是它们著名的合适的敏捷。(想象一只家蝇在出访中躲避蝇拍或者蟑螂,在你打开灯的时候急速奔跑寻找掩护。)潜在的,昆虫的骨骼利用生长的极限。昆虫解决问题靠脱皮:如果他们的身体对盔甲来说太大了,它们便简单的摆脱盔甲。身体结构ENGLISH FOR INDUSTRI
11、AL DESIGNSimple,Powerful and freenAgility in animals correlates with high respiratory demand,and insects have a remarkable way of delivering oxygen to their internal organs.Air flows into the insect body through a series of opening called spiracles that lead inward into tubes,or tracheae.Instead of
12、conveying oxygen by way of blood,insects provide or direct aeration of their tissues.The flight muscles of insects could not function nearly as effectively without such a quick means of oxygen delivery.敏捷和动物的高度的呼吸相关,昆虫拥有不平常的方法来给组织器官传递氧气。空气通过被称为引导进入体内的管道,或者导管的连续的小孔进入体内。昆虫通过组织直接通风来代替血液运输氧气。没有高效的氧气运输,昆
13、虫的飞行肌肉就不能运动。呼吸传递ENGLISH FOR INDUSTRIAL DESIGNSimple,Powerful and freenInsects occupy virtually every feeding niche.Put it another way,this means that they are able to eat literally anything.Their success in this derives from the extraordinary diversification of their mouth parts.Beetles and caterpil
14、lars have jaws for cutting and tearing,mosquitoes have slender styles for piercing skin and sucking blood and butterflies have coiled tubes for imbibing nectar.昆虫事实上占用每一个获取食物的机会。换句话说,它们可以吃任何存在的东西。他们在这方面值得重视的成功源于他们特别的多样化的口器。甲虫和毛虫有用来切段和撕开的口,蚊子有纤细的探针用来穿透皮肤和吮吸血液,蝴蝶有盘卷的管子用来吮吸花蜜。特殊口器ENGLISH FOR INDUSTRIAL
15、 DESIGNSimple,Powerful and freenThe spruce aphid is outfitted with compound eyes that allow it to see in virtually all directions,enabling it to cause as much widespread defoliation as it has time for in a days work.Insects have extraordinary sensory capacities.Their eyes,which may take the form of
16、enormous hemispheres bulging from their head,typically consist of hundreds of tiny,tightly opposed units,called facets.Each facet points in one particular direction,with the result that the two eyes see in virtually all directions.For an aerial hunter such as a robber fly,this means being able to sp
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